Life is very short, and there's no time for fussing and fighting, my friend.
I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.
The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.
The study of black holes has led us to the edge of our understanding, where the known laws of physics break down and new theories must emerge.